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Pre-positioning tightening mechanism for arc tenon tooth blades

A positioning mechanism and pre-positioning technology, applied in positioning devices, metal processing machinery parts, clamping, etc., can solve the problems of low machining accuracy of blade roots and inconsistent positioning references

Active Publication Date: 2017-03-15
WUXI TURBINE BLADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above problems, the present invention provides a pre-positioning and tightening mechanism for circular arc mortise-toothed blades, which can solve the problems of inconsistency between the existing pre-positioning and profile processing positioning references, and low machining accuracy of the blade root

Method used

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  • Pre-positioning tightening mechanism for arc tenon tooth blades
  • Pre-positioning tightening mechanism for arc tenon tooth blades
  • Pre-positioning tightening mechanism for arc tenon tooth blades

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Embodiment Construction

[0023] See figure 2 and image 3 The mechanism of the present invention includes a base plate 10, on which a positioning mechanism 20 and a tightening mechanism 30 are installed, wherein the positioning mechanism 20 includes a positioning seat 21, and the top of the positioning seat 21 is provided with a right convex portion 211, and the bottom surface of the right convex portion 21 is fixed. Equipped with a positioning support plate 22 for positioning the arc-shaped mortise blade root back craft B, the clamping mechanism 30 includes a clamping lever 31 and a clamping seat 32, and the clamping lever 31 is rotatably supported on the clamping seat 32, the top tight seat 32 is fixedly mounted on the base plate 10 and is located below the right convex portion 211 of the positioning seat 21, and the front end of the top tight lever 31 is provided with an upturned and curved top tight portion 311, and the rear end can be aligned with the top tight seat. 32 is locked and connected,...

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Abstract

The invention provides a pre-positioning tightening mechanism for arc tenon tooth blades. The pre-positioning tightening mechanism can solve the problems that existing pre-positioning standard is not coincident with a molded surface machining positioning standard, and the blade root machining accuracy is low. The pre-positioning tightening mechanism comprises a base plate which is provided with a positioning mechanism and a tightening mechanism body; the pre-positioning tightening mechanism is characterized in that the positioning mechanism comprises a positioning base, a right convex part is arranged at the top of the positioning base, and a positioning supporting plate used for positioning arc tenon tooth blade root back process lugs is fixedly installed on the bottom face of the right convex part; and the tightening mechanism body comprises a tightening level and a tightening base, the tightening level is rotationally supported to the tightening base, the tightening base is fixedly installed on the base plate and located below the right convex part of the positioning base, the front end of the tightening level is provided with a tightening part upwards cocked to be bent, the back end of the tightening level can be in locked connection with the tightening base, and the tightening part abuts against an arc tenon tooth blade root internal process lug.

Description

technical field [0001] The invention relates to the field of tooling fixtures for blade processing, in particular to a pre-positioning and clamping mechanism for circular-arc mortise-tooth blades. Background technique [0002] With the development of blade processing technology, mortise-toothed blades with very high requirements for the position of the profile relative to the blade root use the blade root process first to process the blade, and then use the blade to position and process the blade surface, and then pre-position the blade. The profile is fixed in a certain position of the square box, and finally the square box is used to locate the process route for processing the blade root. [0003] In the actual processing process, in order to ensure the processing accuracy of the blade root, it is usually required that the pre-positioning adopts the same positioning method as that of the processing profile. The shape characteristics of the arc tenon teeth determine that it...

Claims

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Application Information

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IPC IPC(8): B23Q3/06B24B19/14
CPCB23Q3/062B24B19/14
Inventor 陆爱群董欣欣章奇杨敏章宇洪
Owner WUXI TURBINE BLADE
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